Welcome to HCM.
There might be dengue
fever because it also occurs during travelling in some part of world.
Investigations can be done by virus isolation in cell cultures, nucleic acid detection by PCR, viral antigen detection (such as for NS1) or specific antibodies
round the clock to subside headache,fever.
Rashes can be occur during regression phase.
Be watchful for your general condition and routine blood parameters.
There is no specific medicine to treat dengue infection.
You should also rest, drink plenty of fluids,
,aloevara lotion on rashes.
Keep in touch with your doctor.